body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    width: 400px;
    margin: 0 auto;
}

.header {
    background-color: #333;
    color: #fff;
    padding: 10px;
}

.main {
    padding: 20px;
}

.form-group {
    margin-bottom: 10px;
}

.form-control {
    width: 100%;
    padding: 5px;
    border: 1px solid #ccc;
}

.button {
    background-color: #333;
    color: #fff;
    padding: 5px 10px;
    border: 1px solid #ccc;
}

.links {
    text-align: right;
}

.links a {
    margin-right: 10px;
}
